EC 4.4.1.21: S-ribosylhomocysteine lyase

LyasesOpen in Browse

CatLog read 25 records for EC 4.4.1.21 from 3 papers, for 4 organisms. Names in these papers: S-ribosylhomocysteinase (LuxS).

Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units.

CatLog also holds 25 records for EC 4.4.1.21 that are not yet re-read: from its earlier version, built from the enzyme databases and partly checked against the papers. All records for EC 4.4.1.21 in Browse.

Papers

Papers with records for EC 4.4.1.21
Paper	Organisms	Records
Catalytic mechanism of S-ribosylhomocysteinase (LuxS): stereochemical course and kinetic isotope effect of proton transfer reactions	Bacillus subtilis, Vibrio harveyi	10
Probing the catalytic mechanism of S-ribosylhomocysteinase (LuxS) with catalytic intermediates and substrate analogues	Bacillus subtilis, Escherichia coli and 1 more	10
Crystal Structure and Identification of Two Key Amino Acids Involved in AI-2 Production and Biofilm Formation in Streptococcus suis LuxS	Streptococcus suis	5

Records

Records for EC 4.4.1.21 read from the paper
Enzyme	Organism	Substrate	k_cat (s⁻¹)	K_m (mM)	k_cat/K_m (mM⁻¹ s⁻¹)	Conditions	Paper	Open record
S-ribosylhomocysteinase (LuxS)	Bacillus subtilis	3-ketone intermediate 7	0.038	0.0036	11		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS), 3-ketone intermediate 7
S-ribosylhomocysteinase (LuxS)	Bacillus subtilis	[1-2H]-S-ribosylhomocysteine	0.03	0.0021	14	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), [1-2H]-S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Bacillus subtilis	[2-2H]-S-ribosylhomocysteine	0.029	0.0023	13	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), [2-2H]-S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Bacillus subtilis	[3-2H]-S-ribosylhomocysteine	0.023	0.0022	10	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), [3-2H]-S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Bacillus subtilis	[4-2H]-S-ribosylhomocysteine	0.029	0.002	14	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), [4-2H]-S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Bacillus subtilis	S-ribosylhomocysteine	0.029	0.0022	13	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Escherichia coli	3-ketone intermediate 7	0.4	0.17	2.3		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS), 3-ketone intermediate 7
S-ribosylhomocysteinase (LuxS)	Escherichia coli	S-ribosylhomocysteine	0.38	0.017	22		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS), S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Streptococcus suis	S-adenosylhomocysteine	0.102	0.0164	6.21	pH 7.2, 37 °C	PMID 26484864	Open record: S-ribosylhomocysteinase (LuxS), S-adenosylhomocysteine
S-ribosylhomocysteinase (LuxS)variant C82S	Streptococcus suis	S-adenosylhomocysteine	0.01	0.0577	0.168	pH 7.2, 37 °C	PMID 26484864	Open record: S-ribosylhomocysteinase (LuxS) variant C82S, S-adenosylhomocysteine
S-ribosylhomocysteinase (LuxS)variant F80M	Streptococcus suis	S-adenosylhomocysteine	0.02	0.0223	0.882	pH 7.2, 37 °C	PMID 26484864	Open record: S-ribosylhomocysteinase (LuxS) variant F80M, S-adenosylhomocysteine
S-ribosylhomocysteinase (LuxS)variant F80M/H87Y	Streptococcus suis	S-adenosylhomocysteine	0.009	0.0604	0.149	pH 7.2, 37 °C	PMID 26484864	Open record: S-ribosylhomocysteinase (LuxS) variant F80M/H87Y, S-adenosylhomocysteine
S-ribosylhomocysteinase (LuxS)variant H87Y	Streptococcus suis	S-adenosylhomocysteine	0.011	0.0708	0.153	pH 7.2, 37 °C	PMID 26484864	Open record: S-ribosylhomocysteinase (LuxS) variant H87Y, S-adenosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Vibrio harveyi	3-ketone intermediate 7	0.64	0.027	24		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS), 3-ketone intermediate 7
S-ribosylhomocysteinase (LuxS)	Vibrio harveyi	[1-2H]-S-ribosylhomocysteine	0.42	0.04	10	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), [1-2H]-S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Vibrio harveyi	[2-2H]-S-ribosylhomocysteine	0.36	0.038	9	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), [2-2H]-S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Vibrio harveyi	[3-2H]-S-ribosylhomocysteine	0.28	0.039	7	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), [3-2H]-S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Vibrio harveyi	[4-2H]-S-ribosylhomocysteine	0.39	0.039	10	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), [4-2H]-S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)	Vibrio harveyi	S-ribosylhomocysteine	0.4	0.039	10	pH 7	PMID 15287744	Open record: S-ribosylhomocysteinase (LuxS), S-ribosylhomocysteine
S-ribosylhomocysteinase (LuxS)variant C83A	Vibrio harveyi	3-ketone intermediate 7	0.022	0.7	0.031		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS) variant C83A, 3-ketone intermediate 7
S-ribosylhomocysteinase (LuxS)variant E57A	Vibrio harveyi	3-ketone intermediate 7	0.012	0.098	0.12		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS) variant E57A, 3-ketone intermediate 7
S-ribosylhomocysteinase (LuxS)variant E57D	Vibrio harveyi	3-ketone intermediate 7	0.026	0.73	0.036		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS) variant E57D, 3-ketone intermediate 7
S-ribosylhomocysteinase (LuxS)variant H11Q	Vibrio harveyi	3-ketone intermediate 7	0.024	0.52	0.047		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS) variant H11Q, 3-ketone intermediate 7
S-ribosylhomocysteinase (LuxS)variant R39M	Vibrio harveyi	3-ketone intermediate 7	0.016	0.15	0.11		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS) variant R39M, 3-ketone intermediate 7
S-ribosylhomocysteinase (LuxS)variant S6A	Vibrio harveyi	3-ketone intermediate 7	0.14	0.04	3.4		PMID 19099445	Open record: S-ribosylhomocysteinase (LuxS) variant S6A, 3-ketone intermediate 7